Population of Kansas 2021
Population
In 2010, there were 2,853,118 residents in Kansas (as of April 1, 2010 Census)
Ancestry
83.8% of the population were% White, 5.9% African American, 2.4% Asian American, and 1.0% American Indian. Hispanics or Latinos made up 10.5% regardless of race. According to the American Community Survey of 2014, 786,373 residents have German ancestors. With around 27% of the total population, people of German origin are by far the strongest population group in the state.
Religion
The religious communities with the largest number of members in 2000 were the Catholic Church with 405,844, the United Methodist Church with 206,187 and the Southern Baptist Convention with 101,696 followers.
Top Counties by Population in Kansas
| Rank | County Name | Population | Population Density (per km²) |
| 1 | Johnson County | 559,924 | 453.38 |
| 2 | Sedgwick County | 503,900 | 194.56 |
| 3 | Shawnee County | 179,002 | 125.70 |
| 4 | Wyandotte County | 159,140 | 407.01 |
| 5 | Douglas County | 112,875 | 95.33 |
| 6 | Leavenworth County | 77,750 | 64.85 |
| 7 | Riley County | 75,519 | 47.80 |
| 8 | Butler County | 65,838 | 17.80 |
| 9 | Reno County | 64,449 | 19.84 |
| 10 | Saline County | 55,999 | 30.03 |
| 11 | Crawford County | 39,372 | 25.63 |
| 12 | Geary County | 38,024 | 38.22 |
| 13 | Finney County | 37,211 | 11.05 |
| 14 | Cowley County | 36,299 | 12.45 |
| 15 | Harvey County | 34,863 | 24.97 |
| 16 | Ford County | 34,763 | 12.21 |
| 17 | Montgomery County | 34,470 | 20.63 |
| 18 | Lyon County | 33,759 | 15.32 |
| 19 | Miami County | 32,623 | 21.84 |
| 20 | McPherson County | 29,367 | 12.60 |
| 21 | Ellis County | 29,064 | 12.47 |
| 22 | Barton County | 27,568 | 11.91 |
| 23 | Franklin County | 25,917 | 17.43 |
| 24 | Sumner County | 23,685 | 7.74 |
| 25 | Seward County | 23,558 | 14.21 |
| 26 | Pottawatomie County | 22,313 | 10.21 |
| 27 | Labette County | 21,295 | 12.67 |
| 28 | Cherokee County | 21,237 | 13.97 |
| 29 | Dickinson County | 19,773 | 9.00 |
| 30 | Jefferson County | 18,956 | 13.66 |
| 31 | Atchison County | 16,824 | 15.03 |
| 32 | Neosho County | 16,417 | 11.09 |
| 33 | Osage County | 16,153 | 8.86 |
| 34 | Bourbon County | 14,908 | 9.04 |
| 35 | Jackson County | 13,460 | 7.91 |
| 36 | Allen County | 13,330 | 10.23 |
| 37 | Marion County | 12,358 | 5.06 |
| 38 | Nemaha County | 10,143 | 5.45 |
| 39 | Marshall County | 10,033 | 4.29 |
| 40 | Rice County | 9,996 | 5.31 |
| 41 | Brown County | 9,892 | 6.69 |
| 42 | Pratt County | 9,739 | 5.12 |
| 43 | Linn County | 9,452 | 6.09 |
| 44 | Cloud County | 9,408 | 5.07 |
| 45 | Wilson County | 9,116 | 6.13 |
| 46 | Clay County | 8,542 | 5.12 |
| 47 | Coffey County | 8,513 | 5.22 |
| 48 | Thomas County | 7,952 | 2.86 |
| 49 | Grant County | 7,934 | 5.33 |
| 50 | Anderson County | 7,928 | 5.25 |
| 51 | Doniphan County | 7,875 | 7.76 |
| 52 | Kingman County | 7,874 | 3.52 |
| 53 | Wabaunsee County | 7,050 | 3.41 |
| 54 | Russell County | 6,957 | 3.04 |
| 55 | Pawnee County | 6,939 | 3.55 |
| 56 | Ellsworth County | 6,505 | 3.51 |
| 57 | Greenwood County | 6,465 | 2.19 |
| 58 | Mitchell County | 6,366 | 3.51 |
| 59 | Sherman County | 6,124 | 2.24 |
| 60 | Ottawa County | 6,083 | 3.26 |
| 61 | Gray County | 6,041 | 2.68 |
| 62 | Harper County | 5,922 | 2.85 |
| 63 | Morris County | 5,865 | 3.25 |
| 64 | Washington County | 5,769 | 2.48 |
| 65 | Stevens County | 5,767 | 3.06 |
| 66 | Norton County | 5,623 | 2.47 |
| 67 | Phillips County | 5,530 | 2.41 |
| 68 | Rooks County | 5,234 | 2.28 |
| 69 | Scott County | 4,948 | 2.66 |
| 70 | Barber County | 4,872 | 1.66 |
| 71 | Republic County | 4,869 | 2.63 |
| 72 | Meade County | 4,407 | 1.74 |
| 73 | Stafford County | 4,369 | 2.13 |
| 74 | Haskell County | 4,267 | 2.86 |
| 75 | Kearny County | 3,979 | 1.77 |
| 76 | Osborne County | 3,817 | 1.65 |
| 77 | Smith County | 3,776 | 1.63 |
| 78 | Chautauqua County | 3,582 | 2.15 |
| 79 | Woodson County | 3,289 | 2.53 |
| 80 | Rush County | 3,231 | 1.74 |
| 81 | Lincoln County | 3,185 | 1.71 |
| 82 | Morton County | 3,180 | 1.68 |
| 83 | Ness County | 3,079 | 1.11 |
| 84 | Jewell County | 3,057 | 1.30 |
| 85 | Trego County | 2,997 | 1.30 |
| 86 | Edwards County | 2,990 | 1.86 |
| 87 | Decatur County | 2,882 | 1.24 |
| 88 | Logan County | 2,795 | 1.01 |
| 89 | Chase County | 2,768 | 1.38 |
| 90 | Gove County | 2,740 | 0.99 |
| 91 | Elk County | 2,731 | 1.63 |
| 92 | Cheyenne County | 2,689 | 1.02 |
| 93 | Hamilton County | 2,650 | 1.03 |
| 94 | Graham County | 2,589 | 1.11 |
| 95 | Rawlins County | 2,571 | 0.93 |
| 96 | Sheridan County | 2,549 | 1.10 |
| 97 | Kiowa County | 2,507 | 1.34 |
| 98 | Wichita County | 2,267 | 1.22 |
| 99 | Clark County | 2,192 | 0.87 |
| 100 | Stanton County | 2,186 | 1.24 |
| 101 | Hodgeman County | 1,974 | 0.89 |
| 102 | Comanche County | 1,924 | 0.94 |
| 103 | Lane County | 1,715 | 0.92 |
| 104 | Wallace County | 1,528 | 0.65 |
| 105 | Greeley County | 1,309 | 0.65 |